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Spacecraft travelling beyond low Earth orbit enter the zone of radiation of the Van Allen belts. Beyond the belts, they face additional hazards from cosmic rays and solar particle events. A region between the inner and outer Van Allen belts lies at 2 to 4 Earth radii and is sometimes referred to as the "safe zone". [40] [41]
The Van Allen radiation belts swell and shrink over time as part of a much larger space weather system driven by energy and material that erupt off the Sun's surface and fill the entire Solar System. Space weather is the source of aurora that shimmer in the night sky, but it also can disrupt satellites, cause power grid failures and disrupt GPS ...
The South Atlantic Anomaly (SAA) is an area where Earth's inner Van Allen radiation belt comes closest to Earth's surface, dipping down to an altitude of 200 kilometres (120 mi). This leads to an increased flux of energetic particles in this region and exposes orbiting satellites (including the ISS) to higher-than-usual levels of ionizing ...
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Van Allen radiation belt; Usage on sr.wikipedia.org Van Alenov pojas; Usage on sv.wikipedia.org Wikipedia:Veckans tävling/Videosprint 2/Wikidatalista; Usage on th.wikipedia.org แถบรังสีแวนอัลเลน; Usage on tr.wikipedia.org Van Allen kuşağı; Usage on tt.wikipedia.org Радиацион билбау
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The Van Allen Probes, initially the Radiation Belt Storm Probes (RBSP), were renamed in 2012 in honor of Dr. Van Allen. [31] Managed by NASA's Goddard Space Flight Center [31] and implemented by the Applied Physics Laboratory (APL) at Johns Hopkins University, [32] the mission was a part of the Living With a Star program. Designed for a two ...